[kde] [Bug 357234] New: Crash before stopping X server

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=357234

            Bug ID: 357234
           Summary: Crash before stopping X server
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: O.Pylypovskyi at gmail.com

Application: plasma-desktop (4.11.19)
KDE Platform Version: 4.14.8 (Compiled from sources)
Qt Version: 4.8.6
Operating System: Linux 3.18.16-gentooGentoo_31816_2015 x86_64
Distribution (Platform): Gentoo Packages

-- Information about the crash:
- What I was doing when the application crashed:
This crash regularly happens last days when I turn off computer from KDE. Last
update was not helped.
It happens just before finishing X mode.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Оболонка стільниці Плазми (plasma-desktop), signal: Segmentation
fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f5a26b2e780 (LWP 14328))]

Thread 3 (Thread 0x7f59f256c700 (LWP 14337)):
#0  0x00007f5a241a640d in nanosleep () from /lib64/libc.so.6
#1  0x00007f5a241a62c8 in sleep () from /lib64/libc.so.6
#2  0x00007f5a14f73725 in QTWTF::TCMalloc_PageHeap::scavengerThread() () from
/usr/lib64/qt4/libQtScript.so.4
#3  0x00007f5a14f737a9 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*)
() from /usr/lib64/qt4/libQtScript.so.4
#4  0x00007f5a25409326 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f5a241d614d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f596ad06700 (LWP 14340)):
#0  0x00007ffcb574ea76 in clock_gettime ()
#1  0x00007f5a241e2f92 in clock_gettime () from /lib64/libc.so.6
#2  0x00007f5a256f4305 in qt_gettime() () from /usr/lib64/qt4/libQtCore.so.4
#3  0x00007f5a257d9c05 in QTimerInfoList::timerWait(timeval&) () from
/usr/lib64/qt4/libQtCore.so.4
#4  0x00007f5a257d83fc in timerSourcePrepareHelper(GTimerSource*, int*) () from
/usr/lib64/qt4/libQtCore.so.4
#5  0x00007f5a257d84bd in timerSourcePrepare(_GSource*, int*) () from
/usr/lib64/qt4/libQtCore.so.4
#6  0x00007f5a214f237b in g_main_context_prepare () from
/usr/lib64/libglib-2.0.so.0
#7  0x00007f5a214f2d38 in g_main_context_iterate.isra () from
/usr/lib64/libglib-2.0.so.0
#8  0x00007f5a214f2f34 in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#9  0x00007f5a257d8db6 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/qt4/libQtCore.so.4
#10 0x00007f5a257a7841 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/qt4/libQtCore.so.4
#11 0x00007f5a257a7ba5 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/qt4/libQtCore.so.4
#12 0x00007f5a25698e81 in QThread::exec() () from /usr/lib64/qt4/libQtCore.so.4
#13 0x00007f5a25787a43 in QInotifyFileSystemWatcherEngine::run() () from
/usr/lib64/qt4/libQtCore.so.4
#14 0x00007f5a2569b93f in QThreadPrivate::start(void*) () from
/usr/lib64/qt4/libQtCore.so.4
#15 0x00007f5a25409326 in start_thread () from /lib64/libpthread.so.0
#16 0x00007f5a241d614d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f5a26b2e780 (LWP 14328)):
[KCrash Handler]
#6  0x00007f5a257bb408 in QObject::thread() const () from
/usr/lib64/qt4/libQtCore.so.4
#7  0x00007f59f4bc69be in release_Plasma_Meter () from
/usr/lib64/python2.7/site-packages/PyKDE4/plasma.so
#8  0x00007f59f5a2ac76 in forgetObject () from
/usr/lib64/python2.7/site-packages/sip.so
#9  0x00007f59f5a2c2f9 in sipWrapper_dealloc () from
/usr/lib64/python2.7/site-packages/sip.so
#10 0x00007f59f6670ee3 in subtype_dealloc () from
/usr/lib64/libpython2.7.so.1.0
#11 0x00007f59f665507b in dict_dealloc () from /usr/lib64/libpython2.7.so.1.0
#12 0x00007f59f5a28187 in sipSimpleWrapper_clear () from
/usr/lib64/python2.7/site-packages/sip.so
#13 0x00007f59f5a2c244 in sipWrapper_clear () from
/usr/lib64/python2.7/site-packages/sip.so
#14 0x00007f59f5a2c301 in sipWrapper_dealloc () from
/usr/lib64/python2.7/site-packages/sip.so
#15 0x00007f59f6670ee3 in subtype_dealloc () from
/usr/lib64/libpython2.7.so.1.0
#16 0x00007f59f665507b in dict_dealloc () from /usr/lib64/libpython2.7.so.1.0
#17 0x00007f59f5a28187 in sipSimpleWrapper_clear () from
/usr/lib64/python2.7/site-packages/sip.so
#18 0x00007f59f5a2c244 in sipWrapper_clear () from
/usr/lib64/python2.7/site-packages/sip.so
#19 0x00007f59f66e7381 in collect () from /usr/lib64/libpython2.7.so.1.0
#20 0x00007f59f66e7b38 in PyGC_Collect () from /usr/lib64/libpython2.7.so.1.0
#21 0x00007f59f66d4768 in Py_Finalize () from /usr/lib64/libpython2.7.so.1.0
#22 0x00007f5a257aaa78 in qt_call_post_routines() () from
/usr/lib64/qt4/libQtCore.so.4
#23 0x00007f5a24962e1e in QApplication::~QApplication() () from
/usr/lib64/qt4/libQtGui.so.4
#24 0x00007f5a0ba7fc49 in PlasmaApp::~PlasmaApp() () from
/usr/lib64/libkdeinit4_plasma-desktop.so
#25 0x00007f5a0ba65487 in kdemain () from
/usr/lib64/libkdeinit4_plasma-desktop.so
#26 0x0000000000408034 in launch(int, char const*, char const*, char const*,
int, char const*, bool, char const*, bool, char const*) ()
#27 0x0000000000408ed3 in handle_launcher_request(int, char const*) [clone
.isra.13] ()
#28 0x0000000000409536 in handle_requests(int) ()
#29 0x00000000004052cd in main ()

Reported using DrKonqi

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